AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Mercury Mariner Hybrid
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,000–$12,000
The 2008 Mercury Mariner Hybrid has below-average reliability due to frequent issues with brakes, engine, and steering. Many complaints suggest maintenance and repairs can be extensive, impacting ownership costs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| service brakes | 50,000–80,000 miles | $300–$600 | very common |
| engine | 60,000–90,000 miles | $1,200–$3,000 | common |
| steering | 70,000–100,000 miles | $400–$1,200 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Battery health checks
- Transmission fluid replacement
- Tire rotation and alignment
- Hybrid system inspection
- Coolant system service
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Braking performance issues
- Engine knocking sounds
- Steering wheel vibration
- Electrical malfunctions
- Fuel efficiency drop
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.